Handheld Electronic Device and Associated Method Providing Disambiguation of an Ambiguous Input and Selectively Providing Prediction of Future Characters

1. A method of enabling input on a handheld electronic device that comprises an output apparatus, an input apparatus comprising a plurality of input members, and a processor apparatus comprising a memory having stored therein a number of routines, one of the routines being a prediction routine that is executable on the processor apparatus and is structured, responsive to an input, to output a number of proposed completions of the input, each proposed completion comprising a number of data elements additional to the input, the method comprising: responsive to an ambiguous text input comprising a plurality of input member actuations, outputting a list comprising a number of disambiguated interpretations and a number of proposed completions of the ambiguous text input; and directly responsive to a deletion input, outputting another list comprising a number of disambiguated interpretations of the ambiguous text input as modified by the deletion input, the another list being free of proposed completions.

2. The method of claim 1 , further comprising detecting another input member actuation, and outputting a number of disambiguated interpretations and a number of proposed completions of the ambiguous text input as modified by the deletion input plus the another input member actuation.

3. The method of claim 2 , further comprising detecting as the another input member actuation an input appended to the end of the ambiguous text input as modified by the deletion input.

4. A handheld electronic device comprising: a processor apparatus comprising a processor and a memory having stored therein a number of routines, one of the routines being a prediction routine that is executable on the processor and is structured, responsive to an input, to output a number of proposed completions of the input, each proposed completion comprising a number of data elements additional to the input; an input apparatus comprising a plurality of input members and being structured to provide input to the processor apparatus; an output apparatus structured to receive output signals from the processor apparatus; the memory further having stored therein a number of routines which, when executed on the processor, cause the handheld electronic device to perform operations comprising: responsive to an ambiguous text input comprising a plurality of input member actuations, outputting a list comprising a number of disambiguated interpretations and a number of proposed completions of the ambiguous text input; and directly responsive to a deletion input, outputting another list comprising a number of disambiguated interpretations of the ambiguous text input as modified by the deletion input, the another list being free of proposed completions.

5. The handheld electronic device of claim 4 wherein the operations further comprise detecting another input member actuation, and outputting a number of disambiguated interpretations and a number of proposed completions of the ambiguous text input as modified by the deletion input plus the another input member actuation.

6. The handheld electronic device of claim 5 wherein the operations further comprise detecting as the another input member actuation an input appended to the end of the ambiguous text input as modified by the deletion input.